| Summary: | In order to improve the overall performance of wind turbines and solve the problem that the wind turbine is affected by the building in actual operation, the simulation analysis software Fluent was used to study the aerodynamic performance of the new Nautilus equiangular spiral wind turbine with different numbers of blades. The layout model of buildings and wind turbines were established, the turbulence characteristics of buildings were analyzed, and the torque performance of wind turbines in the turbulent environment were compared. The results show that the overall performance of the three-blade wind turbine is more superior; there is turbulence area at the lower position of the building, and the tangential speed is significantly increased; the performance of the new Nautilus equiangular spiral wind turbine near the building are significantly improved, which verifies the feasibility of installing the Nautilus equiangular spiral wind turbine near the building. The proposed arrangement of wind turbines can effectively improve the performance of wind turbines, and provide references for the optimal design of wind turbine structures and the arrangement of wind turbines near buildings.
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